Means for suspending fastening elements from concrete



J. G. POOL.

MEANS FOR SUSPEND|NG FASTENlNG ELEMENTS FROM CONCRETE.

APPLICATION FILED SEPT. 26,1919.

Patented May 25, 1920.

.Swuwmtoz 4, Q04,

UNITED SrTA'l'Efi PATENT QFFIQE,

JOHN G. POOL, OF DAYTON, OHIO.

MEANS FOR SUSPENDING FASTENING ELEMENTS FROM CONCRETE.

Application filed September 26, 1919.

Z1? (M whom, it may concern:

Be it known that '1, Jenn Gr. PooL, a citizen of the United States, residing at Day ton, in the county 011: Montgomery and State of Ohio, have invented certain new and useful Improvements in Means for Suspendin Fastening Elements from Concrete, 01" whicn the following is a specification.

The principal object of the invention is the provision of a simple, cheaply constructed and ei'ficient device designed to save the drilling of holes in concrete tor the purpose of suspending bolts or other fastening elements from the latter. The invention contemplates a device which may be readily attached to a form before the concrete is poured, and into which a bolt may be easily inserted after the form is removed, for the purpose of attaching structures such as radiators to ceilings and other concrete surfaces.

(lther important and incidental objects will be brought out in the tollowing specification, and partimiiarly set forth in the subjoined claims.

The preferred form of: embodiment of my invention is illustrated in the accompanying drawings, of which Figure l is a side e1evational view, partly in section, of my means for suspending bolts irom concrete, attached to a form. Fig. 2 is a top plan view of said means. Fig. 3 is an end view of the latter. l ig. at is a side elevational view, partly in section, of the device supporting a bolt after the form has been removed. And Fig. 5 is a plan view of the lid that prevents concrete "from entering the bolt receiving portion of the device.

ilhroughout the specification and drawings, similar reference characters denote corresponding parts.

Referring to the accompanying drawings, the numeral 1 designates a preferably cradle-shaped member constructed of cast iron, although it may be made of malleable iron or other suitable metal. The sides and ends of the member 1 preferably incline inwardly to a bottom 2 in which a T slot 3 or other suitable slot is provided to receive a bolt 1. The ends of the member 1 terminate in upwardly-projecting curved flange portions 5, 5, which assist in firmly anchoring said member in the concrete.

At two diagonally opposite corner edges of the top portions of the member 1, a horizontal outwardly-tinned car 6 is provided.

Specification of Letters Patent.

Patented May 25, 1920.

Serial No. 326,607.

Each of the ears 6 contains a hole 7 through which a nail 8 is adapted to be passed for a purpose to be hereinafter described. (Sec Figs. 2 and 8.)

Provided on the top edge of each side of the member 1., and extending therealong from a point near its respective ear 6 to the flange portion 5 farthest from the ear, is a flange 9. The flanges 9, 9, as well as the flanges 5, 5, are narrower than the top portions of the side and end members, to permit the latter to support, between said flanges, a lid 10 preferably constructed of sheet steel. At two diagonally opposite cor 11ers of this lid, which is rectangular in shape, is a horizontal car 11 containing a hole 12 that is adaptei'l to register with a hole '7 in the ear 6 upon which the ear 1i rests when said lid is in place upon the member 1. This lid. serves the purpose of preventing concrete from entering the bolt receiving space in the member 1 when said concrete is poured.

In operation, the member 1, with the lid 10 in place thereon, is secured to a ceiling term 13 by passing nails 8, 8 lirst through the registering holes 12 and 7 in the ear portions of the lid and member, and then driving those nails firmly into the form as shown in Fig. 1. Concrete 1% is then poured to form the ceiling, in which the member 1. is completely embeddet. The form 13 is then removed and the nails 8, 8 filed off at the ceiling line. The lid 10 has prevented any concrete from entering the hollow interior of the member 1, which provides a space to receive a bolt head that is inserted therein through the cross portion ot the T slot 3 in the bottom 2 oi? said member. After being so inserted, the head of the bolt is moved above the narrower portion of the T slot, by the edges of which it is firmly suspended to permit the attachment of radiators or other structures thereto. It is thus unnecessary to drill holes in the concrete to receive the bolts.

While I have shown a removable lid for the member 1, it may be provided with an integral cover without departing from the spirit of the invention. Furthermore, other forms of fastening elements having head portions, other than bolts, may be suspended from my device.

I do not desire to be limited by the details of construction and arrangement herein passed into a form for the concrete, firmly to hold the cradle-shaped member thereto while the concrete is being poured.

2. A device for suspending fastening elements from concrete, comprising a hollow cradle-shaped member adapted to be embedded in the concrete, a ledgeformed on the top interior portion of said member, a pair of diagonally opposite horizontal ears projecting outwardly from said ledge, with which they are integral, a cover adapted to rest upon said ledge, and a pair of diagonally opposite ears on said cover, adapted to rest upon the ears on said ledge, each pair of superimposed ears containing registering holes that receive a fastening element adapted to be passed into a form for the concrete, firmly to hold the cradle-shaped member thereto while the concrete is being poured and also to hold the cover firmly on the ledge.

In testimony whereof I have hereunto set my hand this 23rd day ofSeptember, 1919.

JOHN G. POOL. lVitness:

HOWARD S. SMITH. 

